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Rails (railroad)

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Image
Published: 01 January 1986
Fig. 11 Transverse fracture of an AISI 1075 steel railroad rail. Fracture nucleus (dark area near top of railhead) initiated a fatigue crack (large light area around nucleus). More
Image
Published: 01 January 1987
Fig. 308 Deep “shell crack” and “detail fracture” in head of railroad rail removed from service. Composition of standard carbon rail steel: 0.60 to 0.82% C, 0.70 to 1.00% Mn, and 0.10 to 0.23% Si. Gage side of rail is at left. A 5- to 10-mm ( 1 4 - to 3 8 -in.) thick layer More
Image
Published: 01 January 1987
Fig. 316 Photomicrograph shows typical lamellar pearlite structure in railroad rail steel (0.69 to 0.82% C). The interlamellar spacing is approximately 300 nm. This structure is sometimes mistaken for fatigue crack growth striations in SEM and TEM fractographs (see Fig. 311 , 312 , 313 More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... and manufacturing defects has become more important. This article presents case histories that are intended as an overview of the unique types of failures encountered in the freight railroad industry. The discussion covers failures of axle journals, bearings, wheels, couplers, rails and rail welds, and track...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001373
EISBN: 978-1-62708-173-3
... that occurs in thermite welding. It provides information on the applications of thermite welding: rail welding, electrical connections, and railroad applications. The article concludes with a discussion on the associated safety aspects. aluminothermic reaction electrical connections fusion welding...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000607
EISBN: 978-1-62708-181-8
...-type spring, railroad rail, and seamless drill pipe. driveshaft fatigue crack propagation fatigue fracture fractograph grain boundaries high-carbon steel hydrogen embrittlement microstructure springs Fig. 245 Surface of a fatigue fracture that occurred, after 732 h of service...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001014
EISBN: 978-1-62708-161-0
..., and improved bending properties, ASTM A 706 is specified, which is an HSLA steel. Deformed and plain concrete-reinforcing bars are also available rolled from railroad rails (ASTM A 616) and from axles for railroad cars (ASTM A 617), Specification ASTM A 722 covers deformed and plain uncoated high-strength...
Image
Published: 01 January 1987
Fig. 39 Classic appearance of chevrons on a brittle fracture of a steel railroad rail. The fracture origin is not on the section shown. More
Image
Published: 01 January 1986
Fig. 19 Longitudinal residual stress distribution across a flash butt welded induction-hardened railroad rail head. More
Image
Published: 15 December 2019
Fig. 18 Longitudinal residual-stress distribution across a flash-butt-welded induction-hardened railroad rail head More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004167
EISBN: 978-1-62708-184-9
... substances. Casing lengths for nonflammable substances are required to extend at least two times the depth of the bottom of the casing below the railroad subgrade or extend at least 5 ft (1.5 m) beyond a 2-to-1 maximum excavation slope on each side of the track centerline, whichever is greater. Heavy rail...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006006
EISBN: 978-1-62708-172-6
... of Rail Coatings Railroad equipment, like any other steel equipment, must be protected from the elements and from contact with substances that will degrade it. Over the years, protective coatings used for these purposes have evolved into the specific varieties seen today (2014). Originally, oil-based...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003608
EISBN: 978-1-62708-182-5
... common with the diminished use of electric rail systems, but modern urban/suburban transit systems still rely on electric light-rail systems. Stray-current control is a factor in the rehabilitation of electrified railways for urban/suburban transit systems ( Ref 7 ) and in the development of improved...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006724
EISBN: 978-1-62708-210-5
... beige anodized colors ( Ref 1 ). Other applications include extruded structures used in road vehicles and railroad stock and tubing and pipe for carrying water, oil, and gasoline. Product specifications include: Standard number Product form ISO 6362 Extruded rods/bars, tubes, and profiles...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002461
EISBN: 978-1-62708-194-8
... for another application. For example, steel beams for a railway bridge require a totally different set of properties than the steel rails that are attached to the wooden ties on the bridge deck. In designing the bridge, the steel must have sufficient strength to withstand substantial applied loads. In fact...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001403
EISBN: 978-1-62708-173-3
... to last for many years. This article provides an overview of the service conditions. It offers guidance for material selection applications, including bridges and buildings, pressure vessels and piping, shipbuilding and offshore structures, aerospace systems, machinery and equipment, automobiles, railroad...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... Penetration in Overheated Journals,” Report 69222, New York Central Railroad Company , New York , July 1959 6. New York Central Research Shows … Turning Removes Copper Penetration , Rail. Locom. Cars , Feb 1961 , p 34 – 35 7. Report of the Committee on Axle and Crank Pin Research...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... to railroad specifications. Conduct a final inspection of the weld, both visually and with the aid of ultrasonic equipment. Electrical Connections The thermite welding process also is used to weld electrical conducting joints, particularly to provide electrical continuity for railroad signal...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006709
EISBN: 978-1-62708-210-5
... high productivity and economics with properties suitable for use in structural applications. One of the major applications promoted by Pechiney for alloy 6005A was railway structural frames. Chemical composition limits of alloys 6005, 6005A, and 6105 Table 1 Chemical composition limits of alloys...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004118
EISBN: 978-1-62708-184-9
... as it flows back to the train's dc substation. Pipe-type feeders, like other buried metallic structures, pick up stray currents because they are exposed to voltage gradients in the earth caused by I R (voltage) drops in the running rail of dc railroads. These I R drops cannot be eliminated...